*{
    padding: 0;
    margin: 0;
}
#div1{
    width: 200px;
    height: 500px;
}
.first{
    width: 150px;
    list-style: none;
}
.first>li {
    width: 100%;
    position: relative;
    top: 0px;
}

.first>li>a{
    width: 80%;
    font-size: 16px;
    line-height: 40px;
    text-align: left;
    margin-left: 20px;
    text-decoration: none;
    /*display: block;*/
    color: black;
}
/*.first>li>a>img{
    position: absolute;
    left: 170px;
    top: 15px;
    -ms-transform:rotate(0deg); !* IE 9 *!
    -webkit-transform:rotate(0deg); !* Safari and Chrome *!
    transform:rotate(0deg);
}*/
.first>.father{
    background-color: #ea9152;
}
.first>.son{
    background-color: #fff6a6;
}

.wrapper{
    width:100%;
    height:800px;
}
.header{
    width:100%;
    height:80px;
    background-color: darkseagreen;
}
.title{
    padding: 10px;
    float: left;
}
.title>p{
    font-size: 32px;
    margin: 0;
}
.user{
    float: right;
    margin: 20px 30px auto auto;
}
.user>p{
    font-size: 16px;
    margin: 30px 10px auto 10px;
}
.main{
    width: 100%;
    height:640px;
    position: relative;
}
.left{
    width:10%;
    height:100%;/* 相对父容器 */
    background-color: lemonchiffon;
}
.content{
    width: 90%;
    height: 100%;
    background-color: lemonchiffon;
    position: absolute;
    top: 0px;
    left: 150px
}
.footer{
    width: 100%;
    height: 80px;
    background-color: darkseagreen;
}

.lib{
    margin: 0 0 0.5em 0;
    font-weight: 100;
    text-transform: uppercase;
    /*color: rgba(206, 93, 22, 0.65);*/
    font-size: 58px;
    line-height: 54px;
    font-family: FZShuTi;
}